Alex Rudyy created QPID-6469:
--------------------------------
Summary: Improve AMQProtocolEngine#exception to guard against an
exception whilst trying to send response to client from the method
Key: QPID-6469
URL: https://issues.apache.org/jira/browse/QPID-6469
Project: Qpid
Issue Type: Bug
Components: Java Broker
Affects Versions: 0.30, 0.29, 0.28, 0.27, 0.26, 0.25, 0.24, 0.23, 0.22,
0.21, 0.20, 0.19, 0.18, 0.32
Reporter: Alex Rudyy
Assignee: Alex Rudyy
If an exception occurs whilst processing AMQProtocolEngine#exception this is
caught by the uncaught exception handler and this causes the Broker to exit.
Failures to close the connection should be logged and ignored.
This stacktrace below demonstrates the issue. It is possible in this case
transaction timeout had cause the connection closed at the same point that the
client tried to perform a command.
{noformat}
2015-03-16 00:27:33,370 ERROR [IoReceiver - /169.115.199.62:50130]
thread.LoggingUncaughtExceptionHandler
(LoggingUncaughtExceptionHandler.java:51) - Uncaught e
xception in thread "IoReceiver - /169.115.199.62:50130"
org.apache.qpid.transport.SenderClosedException: sender for socket
/169.115.199.62:50130 is closed
at
org.apache.qpid.transport.network.io.IoSender.checkNotAlreadyClosed(IoSender.java:370)
at org.apache.qpid.transport.network.io.IoSender.send(IoSender.java:114)
at org.apache.qpid.transport.network.io.IoSender.send(IoSender.java:40)
at
org.apache.qpid.server.protocol.AMQProtocolEngine.writeFrame(AMQProtocolEngine.java:720)
at
org.apache.qpid.server.protocol.AMQProtocolEngine.exception(AMQProtocolEngine.java:1287)
at
org.apache.qpid.server.protocol.MultiVersionProtocolEngine.exception(MultiVersionProtocolEngine.java:123)
at
org.apache.qpid.transport.network.io.IoReceiver.run(IoReceiver.java:166)
at java.lang.Thread.run(Thread.java:722)
{noformat}
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